Moats are what separates businesses that compound from businesses that merely grow until competition catches up. FTN maps moat dynamics across dozens of company playbooks (Costco, Hermès, Nike, Amazon); this list supplies the theoretical frameworks and primary sources.
Frameworks
7 Powers
Hamilton Helmer · Book
Seven named sources of durable advantage with investor-grade rigour—the modern moat bible.
Competition Demystified
Bruce Greenwald and Judd Kahn · Book
Supply-demand economics applied to competitive advantage—practical complement to Helmer.
Competitive Strategy
Michael E. Porter · Book · Amazon
Five Forces remain the shared language of industry structure analysis.
Applied Moat Thinking
Buffett shareholder letters on moats
Warren Buffett · Letter
Primary source for "circle of competence" and pricing power as moat indicators.
Aggregation Theory (Stratechery)
Ben Thompson · Essay
Modern moat vocabulary for platforms—user-side aggregation as barrier in technology markets.